Extreme MachinesSeason 510 episodesEpisodes1Bridges2World's Greatest Ships: Power & Glory3World's Greatest Ships: Dangerous Seas4Incredible Motorcycle Jumpers5Ultimate Underwater Machines I6Ultimate Underwater Machines II7Fear of Flying I8Fear of Flying II9World's Tallest Buildings: Fear of Heights10World's Tallest Buildings: Reach for the SkySeason 1Season 2Season 3Season 4Season 6
